x+2x+12=13

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Solution for x+2x+12=13 equation:



x+2x+12=13
We move all terms to the left:
x+2x+12-(13)=0
We add all the numbers together, and all the variables
3x-1=0
We move all terms containing x to the left, all other terms to the right
3x=1
x=1/3
x=1/3

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